Search Results - "Cowie, R. H."

Out of South America: multiple origins of non-native apple snails in Asia by Hayes, K. A., Joshi, R. C., Thiengo, S. C., Cowie, R. H.

“…Apple snails (Ampullariidae: Pomacea) native to the New World have become agricultural and environmental pests widely in southern and eastern Asia since their…”
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Variation in Species Diversity and Shell Shape in Hawaiian Land Snails: In Situ Speciation and Ecological Relationships by Cowie, Robert H.

“…The native land-snail fauna of the Hawaiian islands was investigated from a combined perspective of ecological and historical, vicariant, and dispersalist…”
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The Global Decline of Nonmarine Mollusks by LYDEARD, CHARLES, COWIE, ROBERT H, PONDER, WINSTON F, BOGAN, ARTHUR E, BOUCHET, PHILIPPE, CLARK, STEPHANIE A, CUMMINGS, KEVIN S, FREST, TERRENCE J, GARGOMINY, OLIVIER, HERBERT, DAI G, HERSHLER, ROBERT, PEREZ, KATHRYN E, ROTH, BARRY, SEDDON, MARY, STRONG, ELLEN E, THOMPSON, FRED G

“…Invertebrate species represent more than 99% of animal diversity; however, they receive much less publicity and attract disproportionately minor research…”
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Extinction or survival: partulid tree snails in American Samoa by Cowie, Robert H, Cook, Robert P

“…Four partulid tree snail species are known from American Samoa. In 1998, we surveyed the recently established National Park (units on three islands: Tutuila,…”
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Evolution and Extinction of Partulidae, Endemic Pacific Island Land Snails by Cowie, Robert H.

“…The broad outline of the systematics of the endemic Pacific island land snail family Partulidae has been understood for some time. The family is divided into…”
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Decline and homogenization of Pacific faunas: the land snails of American Samoa by Cowie, Robert H.

“…Native Pacific island biotas are disappearing rapidly. Among these native biotas the land snails are especially recognized not only for their high diversity…”
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The Life-Cycle and Productivity of the Land Snail Theba pisana (Mollusca: Helicidae) by Cowie, Robert H.

“…(1) The land snail Theba pisana was sampled over a 4-year period at Tenby, South Wales. Newly-hatched snails appeared in late summer and autumn; mortality was…”
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Biological control: Disputing the indisputable by Cowie, Robert H., Howarth, Francis G.

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Molecular phylogeny and biogeography of the endemic Hawaiian Succineidae (Gastropoda: Pulmonata) by Rundell, Rebecca J, Holland, Brenden S, Cowie, Robert H

“…The endemic Hawaiian Succineidae represent an important component of the exceptionally diverse land snail fauna of the Hawaiian Islands, yet they remain…”
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Can snails ever be effective and safe biocontrol agents? by Cowie, Robert H.

“…The use of snails as biocontrol agents against other snails and against aquatic weeds is reviewed, evaluating their success and their impacts on non-target…”
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The decline of native Pacific island faunas: changes in status of the land snails of Samoa through the 20th century by Cowie, Robert H., Robinson, A.C.

“…The highly diverse and endemic Pacific island biota is disappearing and being replaced by a relatively small number of widespread alien species. The land snail…”
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Evolution of Mirror Images by Sexually Asymmetric Mating Behavior in Hermaphroditic Snails by Asami, Takahiro, Cowie, Robert H., Ohbayashi, Kako

“…Directionally asymmetric animals generally exhibit no variation in handedness of whole‐body architecture. In contrast, reversed chirality in both coil and…”
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Patterns of introduction of non-indigenous non-marine snails and slugs in the Hawaiian Islands by Cowie, Robert H

“…The native snails of the Hawaiian Islands are disappearing. One cause is predation by introduced carnivorous snails. Habitat destruction/modification is also…”
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Ecological Interactions between Cepaea nemoralis and Cepaea hortensis: Competition, Invasion but no Niche Displacement by Cowie, R. H., Jones, J. S.

“…The importance of coevolution in shaping communities is not clear. Experiments with shells marked with a paint which fades in the sun show that the land snail…”
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The voltage‐gated calcium channel UNC‐2 is involved in stress‐mediated regulation of tryptophan hydroxylase by Estevez, Miguel, Estevez, Annette O., Cowie, Robin H., Gardner, Kathy L.

“…Migraine is an episodic pain disorder whose pathophysiology is related to deficiency of serotonin signaling and abnormal function of the P/Q‐type calcium…”
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Density, dispersal and neighbourhood size in the land snail Theba pisana by COWIE, R. H

“…Studies of population structure were undertaken at six sites in the Tenby (South Wales) colony of the Mediteranean coastal land Theba pisana (Mueller). Over…”
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Gene frequency changes in Cepaea snails on the Marlborough Downs over 25 years by Cowie, R H, Jones, J S

“…In 1985 we resurveyed the sites on the Marlborough Downs in southern England at which Cain and Currey in 1960/61 sampled Cepaea snails and thence introduced…”
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Climatic selection on body colour in Cepaea by COWIE, R. H, JONES, J. S

“…There is geographical variation in body colour in the land snails Cepaea nemoralis and C. hortensis along a transect of 88 samples from the north of Scotland…”
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Invertebrate invasions on Pacific islands and the replacement of unique native faunas: a synthesis of the land and freshwater snails by Cowie, R H

“…The once immense diversity of native Pacific island land snail species, with high single island or archipelago endemism, is declining dramatically. The…”
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Change in morph frequency in the snail cepaea nemoralis on the marlborough downs by Cook, LM, Cowie, RH, Jones, JS

“…Temporal change in morph frequency has been examined in Cepaea nemoralis (L.) from the Marlborough Downs, southern England, first studied by Cain and Currey…”
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